Finding the Fourth Proportional to 2,879.59, 4,318.76 and 1,124.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,879.59 : 4,318.76 = 1,124.03 : x
2. Step 2: Convert to fraction form
   2,879.59/4,318.76 = 1,124.03/x
3. Step 3: Cross multiply
   2,879.59x = 4,318.76 × 1,124.03
4. Step 4: Simplify right side
   2,879.59x = 4,854,397.21
5. Step 5: Solve for x
   x = 4,854,397.21/2,879.59
6. Step 6: Final answer
   x = 1,685.80